1 files changed, 109 insertions, 0 deletions
diff --git a/contrib/llvm/tools/lldb/source/API/SBTrace.cpp b/contrib/llvm/tools/lldb/source/API/SBTrace.cpp
new file mode 100644
index 0000000..9a5fa4e
--- /dev/null
+++ b/contrib/llvm/tools/lldb/source/API/SBTrace.cpp
@@ -0,0 +1,109 @@
+//===-- SBTrace.cpp ---------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Target/Process.h"
+#include "lldb/Utility/Log.h"
+
+#include "lldb/API/SBTrace.h"
+#include "lldb/API/SBTraceOptions.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+class TraceImpl {
+public:
+  lldb::user_id_t uid;
+};
+
+lldb::ProcessSP SBTrace::GetSP() const { return m_opaque_wp.lock(); }
+
+size_t SBTrace::GetTraceData(SBError &error, void *buf, size_t size,
+                             size_t offset, lldb::tid_t thread_id) {
+  ProcessSP process_sp(GetSP());
+  Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
+  llvm::MutableArrayRef<uint8_t> buffer(static_cast<uint8_t *>(buf), size);
+  error.Clear();
+
+  if (!process_sp) {
+    error.SetErrorString("invalid process");
+  } else {
+    error.SetError(
+        process_sp->GetData(GetTraceUID(), thread_id, buffer, offset));
+    LLDB_LOG(log, "SBTrace::bytes_read - {0}", buffer.size());
+  }
+  return buffer.size();
+}
+
+size_t SBTrace::GetMetaData(SBError &error, void *buf, size_t size,
+                            size_t offset, lldb::tid_t thread_id) {
+  ProcessSP process_sp(GetSP());
+  Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
+  llvm::MutableArrayRef<uint8_t> buffer(static_cast<uint8_t *>(buf), size);
+  error.Clear();
+
+  if (!process_sp) {
+    error.SetErrorString("invalid process");
+  } else {
+
+    error.SetError(
+        process_sp->GetMetaData(GetTraceUID(), thread_id, buffer, offset));
+    LLDB_LOG(log, "SBTrace::bytes_read - {0}", buffer.size());
+  }
+  return buffer.size();
+}
+
+void SBTrace::StopTrace(SBError &error, lldb::tid_t thread_id) {
+  ProcessSP process_sp(GetSP());
+  error.Clear();
+
+  if (!process_sp) {
+    error.SetErrorString("invalid process");
+    return;
+  }
+  error.SetError(process_sp->StopTrace(GetTraceUID(), thread_id));
+}
+
+void SBTrace::GetTraceConfig(SBTraceOptions &options, SBError &error) {
+  ProcessSP process_sp(GetSP());
+  error.Clear();
+
+  if (!process_sp) {
+    error.SetErrorString("invalid process");
+  } else {
+    error.SetError(process_sp->GetTraceConfig(GetTraceUID(),
+                                              *(options.m_traceoptions_sp)));
+  }
+}
+
+lldb::user_id_t SBTrace::GetTraceUID() {
+  if (m_trace_impl_sp)
+    return m_trace_impl_sp->uid;
+  return LLDB_INVALID_UID;
+}
+
+void SBTrace::SetTraceUID(lldb::user_id_t uid) {
+  if (m_trace_impl_sp)
+    m_trace_impl_sp->uid = uid;
+}
+
+SBTrace::SBTrace() {
+  m_trace_impl_sp.reset(new TraceImpl);
+  if (m_trace_impl_sp)
+    m_trace_impl_sp->uid = LLDB_INVALID_UID;
+}
+
+void SBTrace::SetSP(const ProcessSP &process_sp) { m_opaque_wp = process_sp; }
+
+bool SBTrace::IsValid() {
+  if (!m_trace_impl_sp)
+    return false;
+  if (!GetSP())
+    return false;
+  return true;
+}